प्रति वर्ग मीटर वेबर ________है।

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ALP CBT 2 Physics and Maths Previous Paper 2 (Held On: 21 Jan 2019 Shift 2)
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  1. हेनरी
  2. एम्पीयर
  3. टेस्ला
  4. ओम

Answer (Detailed Solution Below)

Option 3 : टेस्ला
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अवधारणा:

  • चुंबकीय अभिवाह: लम्बवत रूप से पृष्ठीय क्षेत्रफल से गुजरने वाली चुंबकीय क्षेत्र रेखाओं की संख्या को चुंबकीय अभिवाह कहा जाता है। इसे φ द्वारा दर्शाया जाता है।
    • चुंबकीय अभिवाह गणितीय रूप से चुंबकीय क्षेत्र और क्षेत्रफल अदिश गुणनफल बराबर है जिसके माध्यम से यह गुजर रहा है।

चुंबकीय अभिवाह(φ) = B. A

जहां B चुंबकीय क्षेत्र है और A क्षेत्रफल सदिश है

  • क्षेत्रफल की SI इकाई m2 है और चुंबकीय क्षेत्र की SI इकाई टेस्ला (T) है।

व्याख्या:

चूंकि चुंबकीय अभिवाह (φ) = B A

चुंबकीय अभिवाह की SI इकाई = चुंबकीय क्षेत्र की SI इकाई × क्षेत्रफल की SI इकाई = टेस्ला. मीटर2 = T m2

चूंकि 1 वेबर= 1 T m2

तो 1 वेबर/m2 = 1 टेस्ला

  • इसलिए विकल्प 3 सही है।
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